Eighteen Sound 18LW1400 8Ω
4Ω
8Ω
Subwoofer
| Nominal diameter | 18″ / 460 mm |
| Resonance | 31 Hz |
| Q factor | 0.29 |
| Sensitivity | 95.6 dB |
| Linear excursion | ± 9 mm |
| Program power | 1400 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 95.6dB
- Frequency response 28 - 2500Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 31Hz
- Mechanical quality factor QMS 7.20
- Electrical quality factor QES 0.31
- Total quality factor QTS 0.29
Large signal parameters
- Maximum linear excursion (one way) xmax 9mm
- Air volume displaced at xmax VD 1103cm³
- Power handling P 1000W
- Program power Pmax 1400W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.0Ω
- Inductance (1kHz) LE 2.3mH
- VC Diameter 100mm
- Winding material Copper
Magnet
- Force factor Bl 24.7N/A
- Motor constant Bl/√RE 11N/√W
- Material Ferrite
Diaphragm
- Effective diameter 395mm
- Effective area SD 1225cm²
- Moving mass (including air load) MMS 190g
- Moving mass MMD 160g
- Material Weather protected
Suspensions
- Stiffness KMS 7.19N/mm
- Compliance CMS 139µm/N
- Equivalent volume to the compliance VAS 297L
- Mechanical resistance RMS 5.14N·s/m
Dimensions
- Nominal diameter 18″
- 460mm
- Overall diameter 462mm
- Baffle cutout diameter 416mm
- Overall depth 215mm
- Flange thickness 26mm
- Mounting depth 189mm
- Volume occupied by the driver (estimated) 7.4L
- Net weight 13.3kg
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Export this driver to a box design software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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